X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fnpar.q;h=8c6f98f82cf669275376313a03650b9ba5de0ff8;hb=8b71948cd57dbd2787cb4c50525b957e9be8a62b;hp=c8c44e6d4e825b2c96eef9f1689fa9651691e08f;hpb=b46b794dfb9f0758aafec83f50993d1930894099;p=pspp

diff --git a/src/language/stats/npar.q b/src/language/stats/npar.q
index c8c44e6d4e..8c6f98f82c 100644
--- a/src/language/stats/npar.q
+++ b/src/language/stats/npar.q
@@ -32,6 +32,7 @@
 #include <language/stats/chisquare.h>
 #include <language/stats/wilcoxon.h>
 #include <language/stats/sign.h>
+#include <libpspp/cast.h>
 #include <libpspp/hash.h>
 #include <libpspp/pool.h>
 #include <libpspp/taint.h>
@@ -585,7 +586,7 @@ one_sample_insert_variables (const struct npar_test *test,
 			     struct const_hsh_table *var_hash)
 {
   int i;
-  struct one_sample_test *ost = (struct one_sample_test *) test;
+  struct one_sample_test *ost = UP_CAST (test, struct one_sample_test, parent);
 
   for ( i = 0 ; i < ost->n_vars ; ++i )
     const_hsh_insert (var_hash, ost->vars[i]);